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Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
Problem: A DBMS built for Online Transaction Processing (OLTP) is usually regarded as unsuitable for data warehousing. Each system is designed with a different set of requireme
A Relation Schema represented by R(A1, A2, ..., An) is made up of the relation name the list of attributes and R Ai that it contains. A relation is described as a set of tuples
Normal 0 false false false EN-IN X-NONE X-NONE
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
I need a professional to prepare a database to collect and store basic information. The information can be basic info such as contact details etc. One requirement i have is f
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
Candidate Key: In a relation R, a candidate key for R is a subset of the set of attributes of R, which have the differnt two properties: (1) Uniqueness: N
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
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